BUONASERA DAVID

PrivateCIK: 1966857
Location

NEW YORK, NY

BUONASERA DAVID (CHIEF TECHNOLOGY OFFICER) sold 2.5% of their position (6.41K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $151.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderBUONASERA DAVIDCIK 1966857
IssuerMAGNITE, INC.CIK 1595974
Officer· CHIEF TECHNOLOGY OFFICER
Since Feb 2026
-6.41K
Net shares
Net seller
$151.9K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
6.41K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

5.37K

Price / share

$23.42

Trade value

$125.79K

% of position

2.1%
9/1/2026
252.73K247.36K

Common Stock

Direct
S · Sale

Shares

1.04K

Price / share

$25.00

Trade value

$26.07K

% of position

0.4%
9/2/2026
247.36K246.32K
Total

Net shares

6.41K

Net value

-$151.86K

Derivative Transactions0
No derivative transactions reported